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During the "Double Eleven" period, not only colleges and universities, but also community express delivery was popular. The workload of these couriers is several times that of normal times. According to the forecast of the State Post Office, more than 1.5 billion packages may be generated during the "Double Eleven" this year. It is estimated that the annual express delivery volume will reach 40 billion pieces. If calculated according to the population of 1.3 billion, that is equivalent to an average of more than 30 express deliveries per person. The huge volume of express delivery has also brought about a large consumption of express packaging. In 2015, China's express delivery industry consumed about 9.922 billion packing boxes and 8.268 billion plastic bags. The total length of adhesive tape used was 16.985 billion meters, which could make 425 circles around the equator of the earth. So what will everyone do with these express packages after these express deliveries are delivered? During the interview, some citizens told reporters that "they usually threw it away" and the fillers in the express box were usually thrown away together with the packing box.天启，快点更新，我已经忍不住想看张小凡和林惊羽长大后相爱相杀的场景了。Some people want to know the conclusion directly, then let me write down the direct conclusion of the damage threshold that I can think of at present. Of course, its application should not stop there.即是决生死，那么岂会手下留情。　　瑄瑄还是离开了台北，阿磊却与她失去了联系。日夜想念瑄瑄的同时，阿磊也决定到三义，去发掘瑄瑄的秘密…The second type of attack faced by classifiers involves opponents who try to poison your data to make your system behave wrongly.